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Revista de la Facultad de Medicina Humana

Print version ISSN 1814-5469On-line version ISSN 2308-0531


SOTO, Alonso. Evaluation of the prevalence of infection by atypical germs in patients with community-acquired pneumonia in a peruvian reference hospital. Rev. Fac. Med. Hum. [online]. 2019, vol.19, n.4, pp.31-37. ISSN 1814-5469.

Objective: To determine the prevalence of infection due to atypical microorganisms in cases of community-acquired pneumonia in adult inmunocompetent patients seeking attention in the Hospital Nacional Hipolito Unanue. Methods: Adult inmunocompetent patients seeking medical attention in the emergency ward of Hospital Hipolito Unanue with diagnosis of community-acquired pneumonia were evaluated between september 2008 and january 2009. Blood samples were drawn for Mycoplasma pneumoniae and Chlamydia pneumoniae serology, by the detection of M Inmunoglobulin by ELISA technique. Results: We recruited 85 patients. The average age was 65.33 ± 21.43 years. We found 3 cases with positive IgM serology against M. pneumoniae and 1 case positive against C. pneumoniae. The antibody titers against M. pneumoniae had a highly significant correlation with the age (r=-0.28; p<0.01). We also found a statistically significant difference between the titers of antibodies against M. pneumoniae and those correspondent to C. pneumoniae (r=0.29; p<0.01). Conclusion: Infection due to atypical microorganisms doesn’t seem to be a frequent condition in inpatients with diagnosis of community-acquired pneumonia. Research in larger populations, including outpatients should be done, in order to define the role of atypical pathogens in cases of pneumonia at a national level.

Keywords : Pneumonia; Mycoplasma pneumoniae; Chlamydia pneumoniae.

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